function fbs_click() {
	u = location.href;
	t = document.title;
	window.open('http://www.facebook.com/sharer.php?u=' + encodeURIComponent(u) + '&t=' + encodeURIComponent(t), 'sharer', 'toolbar=0,status=0,width=626,height=436');
	return false;
}

// Returns true if value is in sessionStorage;
// Returns false if value is not in sessionStorage
// or sessionStorage functionality is not supported by current browser 
function isInSessionStorage(key, value) {
	if (typeof (Storage) !== "undefined") {
		return sessionStorage.getItem(key) != null;
	}
	return false;
}

function addToSessionStorage(key, value) {
	if (typeof (Storage) !== "undefined") {
		sessionStorage.setItem(key, value);
		return;
	}
}

function getFromSessionStorage(key) {
	if (typeof (Storage) !== "undefined") {
		return sessionStorage.getItem(key);
	}
}